Answer
a.
Work Step by Step
Option b. is incorrect. Dendrites receive impulses from other cells and transmit them to the cell body.
Option c. is incorrect. The myelin sheath wraps around the axon of the neuron.
Option d. is incorrect. Receptors are special cells that respond to stimuli in the environment.
Option a. is correct. The synapse is the space between the axon terminal of one neuron and the dendrite of another. This is where the axon terminal releases a neurotransmitter to initiate a nerve impulse in an adjacent neuron.
